Units Free

iOS UniversalUtilities

Convert between many units from several categories and different unit systems (metric, imperial, ...).

Features:- categories: length, temperature, capacity, weight, energy, power, pressure, area- access previous conversions from the history list- categories have different colors (in the history as well)- flip units - send calculations by email- support for the iPhone 6 and 6+- support for the iPad multitasking (split view..)